25th Aug '26

B1.3 Keywords

B137
  1. Enzyme (3) - B1:3
    • Proteins that act as biological catalysts, each specific for a certain metabolic reaction.
  2. Cardiovascular disease (2) - B1:2
    • A range of conditions caused by a build-up of fatty deposits inside the arteries.
  3. Tissue is a group of cells with a similar structure and function. (1) - B1:1
  4. Organs are groups of tissues working together to perform specific functions. (1) - B1:1
  5. Stent (1) - B1:1
    • A device used to open up arteries to allow more blood to flow through it.
  6. Double Circulatory System (1) - B1:1
    • A double loop circulatory system has 2 loops with oxygen-poor blood and oxygen-rich blood, that don't mix.
  7. Statin (1) - B1:1
    • A drug taken to reduce blood cholesterol.
  8. Correlation (1) - B1:1
    • A relationship or connection between two factors, often see on a graph.
  9. Risk Factor (1) - B1:1
    • A variable associated with an increased risk of disease or infection.
  10. Protein (1) - B1:1
    • Amino acids joined together. They can be structural or enzymes.
  11. Bile (1) - B1:1
    • Chemical made in the liver that neutralises stomach acid and emulsify fats.
  12. pH (1) - B1:1
    • How acidic or alkaline a substance is.
  13. Rate of reaction (1) - B1:1
    • How fast a reaction takes place.
  14. Vein (1) - B1:1
    • Impermeable blood vessel that carries blood back to the heart.
  15. Artery (1) - B1:1
    • Impermeable blood vessel that carries blood from the heart.
  16. Fat (1) - B1:1
    • Insoluble molecule made of glycerol and fatty acids.
  17. Ventricles (1) - B1:1
    • Lower chambers of the heart that pump the blood out of the heart.
  18. Sugar (1) - B1:1
    • Molecule that is often a source a chemical energy for living things.
  19. Organ System (1) - B1:1
    • Organs working together to perform a major specific role/system in the organism.
  20. Capillary (1) - B1:1
    • Permeable blood vessel with a wall one cell thick where exchange between the blood and cells of the body takes place.
  21. Cells (1) - B1:1
    • Smallest part of a living
  22. Buffer (1) - B1:1
    • Solution at a set pH and remains at that pH.
  23. Exchange Surface (1) - B1:1
    • Specially adapted part of an organism for the movement of chemicals across it, often to and from the blood.
  24. Active Site (1) - B1:1
    • The part of the enzyme that the substrate binds to.
  25. Digestion (1) - B1:1
    • The process by which food is broken down and absorbed into the blood to be used by cells.
  26. Substrate (1) - B1:1
    • The reactant or reactants that the enzyme catalases the reaction for.
  27. Lock and Key (1) - B1:1
    • The specific way that the exact substrate fits the exact enzyme.
  28. Physical Health (1) - B1:1
    • The state of how well the body performs physical tasks.
  29. Health (1) - B1:1
    • The state of physical and mental well-being.
  30. Mental Health (1) - B1:1
    • The state of psychological well-being.
  31. Blood (1) - B1:1
    • Tissue that is liquid and has the role of transporting substances around the body.
  32. Atria (1) - B1:1
    • Upper chambers of the heart that collect blood.
  33. Coronary Heart Disease (1) - B1:1
    • Where the coronary arteries become blocked, starving the heart muscle cells of oxygen.
  34. Causal (1) - B1:1
    • Where there is an explanation of how one factor causes a change in another.
  35. Disease (1) - B1:1
    • a disorder of structure or function of an organism.
  36. Starch (1) - B1:1
    • carbohydrate made of lots of glucose molecules joined together.
  37. Emulsify (1) - B1:1
    • to break up fat into smaller parts by allowing it mix better with water.
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